The Joint Government Relations Committee of the American College of Nuclear Physicians and the Society of Nuclear Medicine recognized that nuclear medicine practitioners across the spectrum of diagnosis would value professional guidance in meeting the new outcomes require- ments. This book is intended to serve as a useful bridge between the new regulations and nuclear medicine practitioners who want to ensure continued compliance and maintain the security and safety of licensed materials in clinical and research settings. Working closely with representatives from the NRC, we developed a complete “walk-through” of the regulations, focusing on the radiation protection programs and implementation procedures necessary for compliance. “At a Glance” boxes.